Fixed credits header association

Author: ericwbailey

docs/index.html

@@ -1501,7 +1501,7 @@ <h4 id="subtitle__buttons">Buttons</h4>
 
 <hr />
 
-<footer id="section__credit" role="contentinfo" aria-labelledby="title__forms"><!-- Start of #section__credit -->
+<footer id="section__credit" role="contentinfo" aria-labelledby="title__credit"><!-- Start of #section__credit -->
     <h2 id="title__credit">Credit</h2>
 
     <p>